264   for (const auto& option : options) {  in JoinOptions()  local
266     for (const auto& argument : option) {  in JoinOptions()
516 void OpenVPNDriver::ParseForeignOption(const string& option,  in ParseForeignOption()  argument
519   SLOG(nullptr, 2) << __func__ << "(" << option << ")";  in ParseForeignOption()
520   vector<string> tokens = SplitString(option, " ", base::TRIM_WHITESPACE,  in ParseForeignOption()
881     const string& option, vector<vector<string>>* options) {  in AppendOption()  argument
882   options->push_back(vector<string>{ option });  in AppendOption()
886     const string& option,  in AppendOption()  argument
889   options->push_back(vector<string>{ option, value });  in AppendOption()
893     const string& option,  in AppendOption()  argument
897   options->push_back(vector<string>{ option, value0, value1 });  in AppendOption()
902     const string& option,  in AppendValueOption()  argument
906     AppendOption(option, value, options);  in AppendValueOption()
914     const string& option,  in AppendDelimitedValueOption()  argument
922     parts.insert(parts.begin(), option);  in AppendDelimitedValueOption()
931     const string& option,  in AppendFlag()  argument
934     AppendOption(option, options);  in AppendFlag()